SACS建模案例(步骤清晰)

Part1-StructuralmodelingInwindowsfileexplorer,Create“TrainingProject”directory,andcreate“StructuralModeling”subdirectory.InSACSexecutive,use“Settings”>“SACSSystemConfiguration”,makesuredefaultunitssetto“MetricKNForce”.Setcurrentworkingdirectoryto“StructuralModeling”andlaunchPrecedeprogramandusingfollowingdata,CreatingJacket,Select“CreateNewModel”andinput“TESTMODELWITHWEIGHTCAPABILITIES”fortitle.Select“Jacket”inStructureWizardandcheck“GenerateSeastatehydrodynamicoverrides”.4Leg4Pile(ungrouted)jacketplatformWaterdepth79.5mWorkingpointelevation:4.0mPileconnectingelev:3.0mMudlineelevationandpilestubelevation:-79.5mOtherintermediateelevations:-50.0,-21.0,2.0,15.3,23.0mConductors:NoneSkirtPiles:NoneWorkingpointspacing:X1=15m,Y1=10mPile/LegBatter:Row1(leg1andleg5,lefttwolegs)X=0,Y=10Row2(leg3andleg7,righttwolegs)X=10,Y=10SavemodeltoSACINP.DATfile.Definememberproperties;MemberGroupLG1,LG2,LG3,Segment1:D=107cm,T=3.5cm,Fy=34.50kN/cm2,SegmentLength=1.0mSegment2:D=105cm,T=2.5cm,Fy=24.80kN/cm2Segment3:D=107cm,T=3.5cm,Fy=34.50kN/cm2,SegmentLength=1.0mMemberGroupLG4,Segment1:D=107cm,T=3.5cm,Fy=34.50kN/cm2MemberGroupLG5,Segment1:D=91.50cm,T=2.50cm,Fy=34.50kN/cm2MemberGroupLG6,Segment1:D=91.5cm,T=2.0cm,Fy=24.80kN/cm2SegmentLength=1.0mSegment2:CONEFy=24.80kN/cm2,SegmentLength=1.0m66.0Segment3:D=91.5cm,T=2.0cm,Fy=24.80kN/cm266.0MemberGroupPL1,PL2,PL3andPL4,Segment1:D=91.5cm,T=2.5cm,Fy=24..80kN/cm2,Flooding,MemberGroupW.B,Segment1:D=60.0cm,T=2.0cm,WeightDensity=0.001,Flooding,双截面MemberSectionCONE,OutsideD=91.50cm,Insided=66.0cmandWallthicknessT=2.0cm双截面Savemodel.Membersectionandmembergroupsdefinedatthistimeshalllookslikefollowing:SECTSECTSECTCONECON91.502.00066.00GRUPGRUPW.B60.0002.00020.008.0024.8011.001.000.50F0.001GRUPLG1107.003.50020.008.0034.5011.001.000.50N7.8491.00GRUPLG1105.002.50020.008.0024.8011.001.000.50N7.849GRUPLG1107.003.50020.008.0034.5011.001.000.50N7.8491.00GRUPLG2107.003.50020.008.0034.5011.001.000.50N7.8491.00GRUPLG2105.002.50020.008.0024.8011.001.000.50N7.849GRUPLG2107.003.50020.008.0034.5011.001.000.50N7.8491.00GRUPLG3107.003.50020.008.0034.5011.001.000.50N7.8491.00GRUPLG3105.002.50020.008.0024.8011.001.000.50N7.849GRUPLG3107.003.50020.008.0034.5011.001.000.50N7.8491.00GRUPLG4107.003.50020.008.0034.5011.001.000.50N7.849GRUPLG591.5002.50020.008.0034.5011.001.000.50N7.849GRUPLG691.5002.00020.008.0024.8011.001.000.50N7.8491.00GRUPLG6CONE20.008.0024.8011.001.000.50N7.8491.50GRUPLG666.0002.00020.008.0024.8011.001.000.50N7.849GRUPLG766.0002.00020.008.0024.8011.001.000.50N7.849GRUPPL191.5002.50020.008.0024.8011.001.000.50F7.849GRUPPL291.5002.50020.008.0024.8011.001.000.50F7.849GRUPPL391.5002.50020.008.0024.8011.001.000.50F7.849GRUPPL491.5002.50020.008.0024.8011.001.000.50F7.849AddmemberstoHorizontalFramingsofjacket,PlaneXYforZ=-79.50Add4horizontalsH11andbreakingtheminequalpart,makejointnamestartfrom1000.Add4diamondshapediagonalsH12.PlaneXYforZ=-50.00Add4horizontalsH21andbreakingtheminequalpart,makejointnamestartfrom2000.Add4diamondshapediagonalsH22.PlaneXYforZ=-21.00Add4horizontalsH31.AddX-bracesupport,inputCenterJoint=3000andgrouplabelH32andfollowjointorders.PlaneXYforZ=2.00Add4horizontalsH41.AddX-bracesupport,inputCenterJoint=4000andgrouplabelH42andfollowjointorders.Savemodel.Definehorizontalmemberproperties;MemberGroupH11,Segment1:D=66.0cm,T=2.5cmMemberGroupH12,Segment1:D=62.0cm,T=2.0cmMemberGroupH21,Segment1:D=50.75cm,T=2.0cmMemberGroupH22,H31andH32,Segment1:D=40.75cm,T=1.5cmMemberGroupH41andH42,Segment1:D=30.375cm,T=1.25cmHorizontalmembergroupsdefinedatthistimeshalllookslikefollowing:GRUPH11GRUPH1166.0002.50020.008.0024.8011.001.000.50N7.849GRUPH1262.0002.00020.008.0024.8011.001.000.50N7.849GRUPH2150.7502.00020.008.0024.8011.001.000.50N7.849GRUPH2240.7501.50020.008.0024.8011.001.000.50N7.849GRUPH3140.7501.50020.008.0024.8011.001.000.50N7.849GRUPH3240.7501.50020.008.0024.8011.001.000.50N7.849GRUPH4132.3751.25020.008.0024.8011.001.000.50N7.849GRUPH4232.3751.25020.008.0024.8011.001.000.50N7.849Adddiagonalmemberstojacketrows,FaceRowA,add103L-201LasD01,201L-303LasD02and303L-401LasD03;FaceRowB,add107L-205LasD01,205L-307LasD02and307L-405LasD03;FaceRow1,add105L-201LasD01,201L-305LasD02and305L-401LasD03;FaceRow2,add107L-203LasD01,203L-307LasD02and307L-403LasD03;Savemodel.Definememberproperties;MemberGroupD01,Segment1:D=66.0cm,T=2.5cmMemberGroupD02,Segment1:D=50.75cm,T=2.0cmMemberGroupD03,Segment1:D=40.75cm,T=1.5cmDiagonalmembergroupsdefinedatthistimeshalllookslikefollowing:GRUPD01GRUPD0166.0002.50020.008.0024.8011.001.000.50N7.849GRUPD0250.7502.00020.008.0024.8011.001.000.50N7.849GRUPD0340.7501.50020.008.0024.8011.001.000.50N7.849CreatingDeck,UsingGRIDcommandunderjoint,createcellardeckandmaindeckframingsandcreatedeckplateautomatically,CellarDeckGridstructureplane=XY,othercoordinateZ=15.3m;Jointnameofgridorigin=7001,Xincrement=4andYincrement=1;Gridcoordinatesforcellardeck:X=-7.5,-2.5,2.5,7.5mwithgrouplabelW02,W02,W02andW02respectively;Y=-9.0,-5.0,5.0,9.0mwithgrouplabelW03,W01,W01andW03respectively;SelectconnectjointswithmembersandConnectjointswithplates,inputplategrouplabel=PL1andPlatename=A001.MainDeckGridstructureplane=XY,othercoordinateZ=23.0m;Jointnameofgridorigin=8001,Xincrement=4andYincrement=1;Gridcoordinatesformaindeck:X=-7.5,-2.5,2.5,7.5,12.5mwithgrouplabelW02,W02,W02,W02andW02respectively;Y=-9.0,-5.05.09.0mwithgrouplabelW03,W01,W01andW03respectively;SelectconnectjointswithmembersandConnectjointswithplates,acceptallotherdefaultvales.SaveModel.Definedeckmemberproperties;MemberGroupW01,Segment1:W24X162fromAISC,MemberGroupW02andW03,Segment1:W24X131fromAISC,Deckmembergroupsdefinedatthistimeshalllookslikefollowing:GRUPW01W24X162GRUPW01W24X16220.008.0024.8011.001.000.507.849GRUPW02W24X13120.008.0024.8011.001.000.507.849GRUPW03W24X13120.008.0024.8011.001.000.507.849Definedeckplateproperties;PlateGroupPL1,Platethickness=0.8cmwithpassionsratio0.3Plategroupdefinedshalllookslikefollowing:PGRUPPGRUPPL10.800020.0000.30024.8007.849DesignjointsforoffsetsUsing“Joint”>“Connection”>“AutomaticDesign”,choose“Offsetbracestooutsideofchord”,use“MoveBrace”for“Gappingoption”,“AlongChord”for“BraceMove”,setGap=5cmandGapsizeoptionto“Minimumonly”,select“Useexistingoffsetsifgapcriteriaismet”InjointCanoptions,select“Updatesegmentedgroupscanlengths”andset“Canlengthoption”=“APIminimumreqts”,andselect“Increasejointcanlengthsonly”Checkthegeneratedjointoffsetsandmodifiedjointcanlengths.ThefinalupdatedCanlengthforlegsshalllookslikefollowing:GRUPLG1GRUPLG1107.003.50020.008.0034.5011.001.000.50N7.8491.95GRUPLG1105.002.50020.008.0024.8011.001.000.50N7.849GRUPLG1107.003.50020.008.0034.5011.001.000.50N7.8491.66GRUPLG2107.003.50020.008.0034.5011.001.000.50N7.8491.98GRUPLG2105.002.50020.008.0024.8011.001.000.50N7.849GRUPLG2107.003.50020.008.0034.5011.001.000.50N7.8491.44GRUPLG3107.003.50020.008.0034.5011.001.000.50N7.8492.07GRUPLG3105.002.50020.008.0024.8011.001.000.50N7.849GRUPLG3107.003.50020.008.0034.5011.001.000.50N7.8491.44GRUPLG4107.003.50020.008.0034.5011.001.000.50N7.849GRUPLG591.5002.50020.008.0034.5011.001.000.50N7.849GRUPLG691.5002.00020.008.0024.8011.001.000.50N7.8491.00GRUPLG6CONE20.008.0024.8011.001.000.50N7.8491.50GRUPLG666.0002.00020.008.0024.8011.001.000.50N7.849GRUPLG766.0002.00020.008.0024.8011.001.000.50N7.849Adddeckmemberoffsets;AllW01membersgotglobalZoffset-31.75cm;Use“TopofSteel”foroffsets,AllW02andW03membersgotglobalZoffset-31.09cm.Use“TopofSteel”foroffsets.DefineKy/Lyforhorizontalframings;Using“Property”>“KFactor”>“Ky”tomodifyKyfactorforH11membersinXYplaneZ=79.50mandH21membersinXYplaneZ=-50.0m;Using“Property”>“EffectiveLength”>“Ly”tomodifyLyfactorforH32membersinXYplaneZ=-21.0mandH42membersinXYplaneZ=2.0m;1.DeckWeightsAddcellardecksurfaceweightID(CELLWT1),Using“Seastate”>“GlobalParameters”>“Weight”>“DefineSurfaceID”,input“CELLWT1”forSurfaceID,pickjoint7001.7013and7004forlocalcoordinatejoints,input0.5forTolerance,andpick7001,7013,7016and7004byholdingCTRLkeyforBoundaryjoints,selectloaddirection=“LocalY”toaddthissurfaceIDdefinition.AddmaindecksurfaceweightID(MAINWT1)fordeck,Using“Seastate”>“GlobalParameters”>“Weight”>“DefineSurfaceID”,input“MAINWT1”forSurfaceID,pickjoint8001.8017and8004forlocalcoordinatejoints,input0.5forTolerance,andpick8001,8017,8020and8004byholdingCTRLkeyforBoundaryjoints,selectloaddirection=“LocalY”toaddthissurfaceIDdefinition.weightgroup=loadcondition,weightIDweightgroup=loadcondition,weightID只是人为的记号！Using“Seastate”>“GlobalParameters”>“Weight”>“SurfaceWeight”,inputAREAtoWeightGroupandAREAWTtoWeightID,inputweightpressure0.5kN/m2forcellardeckandselectCELLWT1for“Selected”SurfaceIDs”.Using“Seastate”>“GlobalParameters”>“Weight”>“SurfaceWeight”,selectAREAtoWeightGroupandAREAWTtoWeightID,inputweightpressure0.75kN/m2formaindeckandselectMAINWT1for“SelectedSurfaceIDs”.AddweightgroupLIVEbyaddingsurfaceweight,AddweightgroupLIVE,usingsurfaceweightline,maindeckweightpressure=5.0kN/m2MAINLIVEandcellardeckweightpressure=2.5kN/m2CELLLIVE.TheaddedsurfaceIDsandsurfaceweightsshalllookslikefollowing:SURFIDCELLWT1LY7001701370040.500SURFDR7001701370167004SURFIDMAINWT1LY8001801780040.500SURFDR8001801780208004SURFWTAREA0.500AREAWT1.001.001.00CELLWT1SURFWTAREA0.750AREAWT1.001.001.00MAINWT1SURFWTLIVE2.500CELLLIVE1.001.001.00CELLWT1SURFWTLIVE5.000MAINLIVE1.001.001.00MAINWT1AddweightgroupEQPTforfootprintweightsfordeckUsing“Seastate”>“GlobalParameters”>“Weight”>“FootprintWeight”,Maindeck,3skids,SKID1:Weight=1112.05kNFootprintcenter(5.0,2.0,23.0)Relativeweightcenter(0,0,3.0)SkidLength=6mSkidWidth=3m2skidbeamsinXdirectionSKID2:Weight=667.23kNFootprintcenter(-5.0,-5.0,23.0)Relativeweightcenter(0,0,2.5)SkidLength=6mSkidWidth=2.5m2skidbeamsinXdirectionSKID4:Weight=155.587kNFootprintcenter(10.0,6.0,23.0)Relativeweightcenter(0,0,4.0)SkidLength=6mSkidWidth=3m3skidbeamsinXdirectionCellardeck,1skid,SKID3:Weight=444.82kNFootprintcenter(-5.0,0.0,15.3)Relativeweightcenter(0,0,2.0)SkidLength=6mSkidWidth=2.5m2skidbeamsinXdirectionTheaddedEQPTfootprintweightsshalllookslikefollowing:WGTFPEQPT1112.05SKID15.0002.00023.000R3.0006.003.0020WGTFP21.001.001.000.50LWGTFPEQPT667.230SKID2-5.000-5.00023.000R2.5006.002.5020WGTFP21.001.001.000.50LWGTFPEQPT155.587SKID410.0006.00023.000R4.0006.003.0030WGTFP21.001.001.000.50LWGTFPEQPT444.820SKID3-5.00015.300R2.0006.002.5020WGTFP21.001.001.000.50LAddMISCweightgroupfordeck,WALKWAYweightaddedtotherightmostmembersofbothdecks,memberdistributedweight=2.773kN/m.Craneweightaddedasjointweight=88.964kN,addto807LasCRANEWT.CellardeckFIREWALLweightaddedasmemberconcentratedweightsto3upperleftYdirectionmembers(705L-7004,7007-7008,7011-7012),weightvalueforeachmemberis15kNanddistancetobeginningjointsare1.5m.TheMISCweightsshalllookslikefollowing:WGTMEMMISC801780182.7732.7731.001.001.00GLOBUNIFWALKWAYWGTMEMMISC801880192.7732.7731.001.001.00GLOBUNIFWALKWAYWGTMEMMISC801980202.7732.7731.001.001.00GLOBUNIFWALKWAYWGTMEMMISC7013703L2.7732.7731.001.001.00GLOBUNIFWALKWAYWGTMEMMISC703L707L2.7732.7731.001.001.00GLOBUNIFWALKWAYWGTMEMMISC707L70162.7732.7731.001.001.00GLOBUNIFWALKWAYWGTJTMISC88.964CRANEWT807L1.0001.0001.000WGTMEMMISC705L70041.50015.0001.001.001.00GLOBCONCFIREWALLWGTMEMMISC700770081.50015.0001.001.001.00GLOBCONCFIREWALLWGTMEMMISC701170121.50015.0001.001.001.00GLOBCONCFIREWALL2.JacketWeightsAddjointweight2.0kNwithdensity7.85MT/m3tojoint501L,503L,505Land507Lasliftingpadeyeweights,thisweightwillbeusedforpre-serviceanalysis.WeightgrouplabelLPADandweightIDPADEYE.Addmemberdistributedweight1.50kN/mwithdensity1.50MT/m3tomember405L-407L,401L-405L,401L-403Land403L-407Lasjacketwalkwaysandhandrails.WeightgrouplabelWKWYandweightIDWALKWAY.Using“Seastate”>“GlobalParameters”>“Weight”>“AnodeWeight”,anodeof2.5kNwith2anodespermemberwillbeaddedtothewholejacketexceptmembersontopframingandabove.Materialweightdensity=2.723MT/m3,weightgrouplabelANODandweightIDANODE.Partofjacketweightsshalllookslikefollowing:WGTMEMANOD103L201L11.8622.5001.001.001.00GLOBCONC2.723ANODEWGTMEMANOD103L201L23.7242.5001.001.001.00GLOBCONC2.723ANODEWGTMEMANOD105L10023.7132.5001.001.001.00GLOBCONC2.723ANODE………WGTMEMANOD305L401L7.9912.5001.001.001.00GLOBCONC2.723ANODEWGTMEMANOD305L401L15.9822.5001.001.001.00GLOBCONC2.723ANODEWGTMEMANOD305L405L7.7052.5001.001.001.00GLOBCONC2.723ANODEWGTMEMANOD305L405L15.4102.5001.001.001.00GLOBCONC2.723ANODEWGTJTLPAD2.000PADEYE501L7.8501.0001.0001.000WGTJTLPAD2.000PADEYE503L7.8501.0001.0001.000WGTJTLPAD2.000PADEYE505L7.8501.0001.0001.000WGTJTLPAD2.000PADEYE507L7.8501.0001.0001.000WGTMEMWKWY401L405L1.5001.5001.001.001.00GLOBUNIF1.500WALKWAYWGTMEMWKWY403L407L1.5001.5001.001.001.00GLOBUNIF1.500WALKWAYWGTMEMWKWY405L407L1.5001.5001.001.001.00GLOBUNIF1.500WALKWAYWGTMEMWKWY401L403L1.5001.5001.001.001.00GLOBUNIF1.500WALKWAY3.LoadsInertialoadsfromvariousweightsdefinedondeckstructure,using1.0GaccelerationinZdirection.ACENTERlinedefiningCenterIDCEN1shallbeaddedrightafterjointdefinitionstodefinerollcenterforinertialoadgenerations.LoadconditionAREA,EQPT,LIVE,andMISCwillbecreated.Eachloadconditionwillcontainaweightselection(INCWGT)lineandaccelerationline(ACCEL).Weightsdefinedonjacketwillbeaddedtotheenvironmentalloadconditionsforaccountingofpossiblebuoyancyandpossiblewaveloads.Theaddedinertialoadcasesshalllookslikefollowing:LOADCNAREAINCWGTAREAACCEL1.00000NCEN1LOADCNEQPTINCWGTEQPTACCEL1.00000NCEN1LOADCNLIVEINCWGTLIVEACCEL1.00000NCEN1LOADCNMISCINCWGTMISCACCEL1.00000NCEN14.EnvironmentalLoadingBeforeaddingenvironmentalloading,followingitemsshallbeaddedfirst,CdandCmforwaveforcecalculationusingCDMline,CdandCm,fortubularmemberdiameterfrom2.5cmto250cm,Cd=0.6andCm=1.2forbothcleanandfouledmembers.Theaddeddragandinertiacoefficientlinesshalllookslikefollowing:CDMCDM2.500.6001.2000.6001.200CDM250.000.6001.2000.6001.200MarinegrowthshallbeoverridedusingMGROVline,Marinegrowth:From0.0to60m,thickness2.5cmandfrom60to79.5m,thickness5.0cmwithdryweight1.4t/m3.Theaddedmarinegrowthoverridelinesshalllookslikefollowing:MGROVMGROV0.00060.0002.5001.400MGROV60.00079.5005.0001.400Jacketlegmembersshallbeoverrideforflooding.LeggroupsfromLG1toLG4shallbeoverrideasfloodingmembersTheaddedMembergroupoverridelinesshalllookslikefollowing:GRPOVGRPOVLG1FGRPOVLG1FGRPOVLG1FGRPOVLG2FGRPOVLG2FGRPOVLG2FGRPOVLG3FGRPOVLG3FGRPOVLG3FGRPOVLG4FGRPOVW.BNF0.0010.0010.0010.0010.001GRPOVPL1NN0.0010.0010.001GRPOVPL2NN0.0010.0010.001GRPOVPL3NN0.0010.0010.001GRPOVPL4NN0.0010.0010.001OperatingStorm(threedirectionsconsidered:0.00,45.00,90.00),loadcaseP000,P045,P090,JacketweightgroupsANODandWKWYwillbeselectedusingINCWGTlinetoaccountforweight,buoyancyandwave/currentloads.Wind:25.72m/sec,AP08profile;Current:0.514m/sec@0.00m(Mudline),automaticblockingfactorwillbecalculatedat5.0m;linearcurrentstretchwillbeselectedandapparentwaveperiodwillbedetermined.Current:1.029m/sec@79.5m(surface)Wave:6.1m@12.00sec,streamfunction7thorderfor18steps,criticalposition=MaximumBaseShear.DeadloadandbuoyancyaccountedusingDEADline.The3operatingstormloadcaselinesshalllookslikefollowing:LOADCNP000INCWGTANODWKWYWINDWIND25.720.0AP08CURRCURR0.0000.5140.000-5.000BCLNAWPCURR79.5001.0290.000WAVEWAVESTRE6.1012.000.00D0.0020.0018MS10107DEADDEAD-ZMLOADCNP045INCWGTANODWKWYWINDWIND25.7245.00AP08CURRCURR0.0000.51445.000-5.000BCLNAWPCURR79.5001.02945.000WAVEWAVESTRE6.1012.0045.00D0.0020.0018MS10107DEADDEAD-ZMLOADCNP090INCWGTANODWKWYWINDWIND25.7290.00AP08CURRCURR0.0000.51490.000-5.000BCLNAWPCURR79.5001.02990.000WAVEWAVESTRE6.1012.0090.00D0.0020.0018MS10107DEADDEAD-ZMExtremeStorm(threedirectionsconsidered:0.00,45.00,90.00),loadcaseS000,S045,S090,JacketweightgroupsANODandWKWYwillbeselectedusingINCWGTlinetoaccountforweight,buoyancyandwave/currentloads.Waterdepthneedscorrectedto81.00mWind:45.17m/sec,AP08profileCurrent:0.514m/sec@0.00m(mudline),automaticblockingfactorwillbecalculatedat5.0m;linearcurrentstretchwillbeselectedandapparentwaveperiodwillbedetermined.Current:1.801m/sec@81.0m(surface)Wave:12.19m@15.00sec,streamfunction7thorderfor18steps,criticalposition=MaximumBaseShear.DeadloadandbuoyancyaccountedusingDEADline.The3extremestormloadcaselinesshalllookslikefollowing:LOADCNS000INCWGTANODWKWYWINDWIND45.170.081.00AP08CURRCURR0.0000.5140.000-5.000BCLNAWPCURR81.0001.8010.000WAVEWAVESTRE12.1981.0015.000.00D0.0020.0018MS10107DEADDEAD-ZMLOADCNS045INCWGTANODWKWYWINDWIND45.1740.0081.00AP08CURRCURR0.0000.51445.000-5.000BCLNAWPCURR81.0001.80145.000WAVEWAVESTRE12.1981.0015.0045.00D0.0020.0018MS10107DEADDEAD-ZMLOADCNS090INCWGTANODWKWYWINDWIND45.1790.0081.00AP08CURRCURR0.0000.51490.000-5.000BCLNAWPCURR81.0001.80190.000WAVEWAVESTRE12.1981.0015.0090.00D0.0020.0018MS10107DEADDEAD-ZMModifyLDOPTforwaterdepth=79.50mandmudlineelevation=-79.50mModifyOPTIONSlinetoincludecodecheckoptionsandreportselections.Theoptionlinesincludingtitlelineshalllookslikefollowing:LDOPTNF+Z1.0257.85-79.5079.50MNNPNPKTESTMODELWITHWEIGHTCAPABILITIESOPTIONSMNSDUC21PTPTPTPTNote:Forsurfaceweightandfootprint,checktheweightsummaryforcontactmemberreportsisveryimportant,otherwise,theweightmaynotconverttomemberloadsasexpected.5.LoadcombinationsSixloadcombinationsOPR1,OPR2,OPR3,STM1,STM2andSTM3willbeaddedtothemodel,threecorrespondingtooperatingstormandthreecorrespondingtoextremestorm,loadfactorsforenvironmentalloadsof1.1willbeused.Liveloadwillbefactoredto0.75inextremestormloadcombinations.Theloadcombinationlinesshalllookslikefollowing:LCOMBLCOMBOPR1AREA1.000EQPT1.000LIVE1.000MISC1.000P0001.100LCOMBOPR2AREA1.000EQPT1.000LIVE1.000MISC1.000P0451.100LCOMBOPR3AREA1.000EQPT1.000LIVE1.000MISC1.000P0901.100LCOMBSTM1AREA1.000EQPT1.000LIVE0.7500MISC1.000S0001.100LCOMBSTM2AREA1.000EQPT1.000LIVE0.7500MISC1.000S0451.100LCOMBSTM3AREA1.000EQPT1.000LIVE0.7500MISC1.000S0901.100Loadcaseselectionforreportingshallbeadded(LCSEL)toselectedsixloadcombinations;Materialstrengthmodifierfor3extremestormloadcombinationswillbeadded(AMOD=1.333)Addunitycheckpartitionline(UCPART).TheLCSEL,UCPARTandAMODlinesshalllookslikefollowing